Adding METADATA file to sonic am: 26e55ea2a4 am: a6a9f9d7cd am: 213656ee57 am: 90c4d0f932

Original change: https://android-review.googlesource.com/c/platform/external/sonic/+/2458528

Change-Id: I12a9c999d63259904410ce55b554ffd394280339
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>